Master AutoTech

Master AutoTech Shops, Inc. Auto & Vehicles

Simplify Vehicle Maintenance

Downloads: 100+; on Google Play
Price: Free; No in-app purchases
Updated: Aug 1; 2026 · v2.7.0

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About Master AutoTech

Master AutoTech, formerly known as Master Muffler, has been maintaining the vehicle to your freedom since 1963. We’re now, and have always been, your helpful, trusted, auto expert.

Master AutoTech combines advanced patent-pending technology with powerful insights by effortlessly accessing key vehicle data.
Features include:
• Monitor essential vehicle data in real time: VIN, odometer, miles since last DTC, pending/active DTCs, and battery voltage.
• Schedule service for diagnostics, maintenance, or repairs directly through the app.

Note: Master AutoTech is currently not compatible with smartwatches. For Terms of Use and more information, visit https://www.masterauto.tech © 2025 Master AutoTech.

What’s new

Version 2.7.0 · Updated August 1, 2026

Updated vehicle service history view. Updated vehicle images and added color picker. Minor bug fixes and stability improvements.

User reviews

Brian Everill

Absolutely amazing that Master AutoTech includes this with service.

Adam Jordan

Awesome app! I love seeing the extra info about my car and the weekly report is very nice!

App details

Master AutoTech is a free Auto & Vehicles app for Android with 100+ installs on Google Play. It was released on March 6, 2024 and last updated on August 1, 2026. It's developed by Master AutoTech Shops, Inc.. It requires Android 12 or later.

Category: Auto & Vehicles
Installs: 100+
In-app purchases: No
Ads: No ads
Version: 2.7.0
Requires Android: 12
Content rating: Everyone
Released: March 6, 2024
Last updated: August 1, 2026
Developer: Master AutoTech Shops, Inc.

View on Google Play

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